Operation CHARM: Car repair manuals for everyone.

A/C Auto AMP. Connection Recognition Signal Circuit





A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT


Description

A/C auto amp. transmits the A/C auto amp. connection recognition signal to the combination meter.





A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT


Diagnosis Procedure

1.CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL
1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector and ground.





Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect combination meter connector and A/C auto amp. connector.
3. Check continuity between combination meter harness connector and A/C auto amp. harness connector.





4. Check continuity between combination meter harness connector and ground.





Is the inspection result normal?
YES - INSPECTION END
NO - Repair harness or connector.